| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chem | China national standards | MT | 691.54 | USD | 20251118 |
| Jinan Qi Mat | China national standards | MT | 712.71 | USD | 20251118 |
| Nanjing Baitu Chem | China national standards | MT | 748.0 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 853.84 | USD | 20251118 |
| Yankuang Guotai Chem | China national standards | MT | 756.46 | USD | 20251118 |
| Nanjing Runsheng Petro | China national standards | MT | 719.77 | USD | 20251118 |
| Shandong Shuojia Chem | China national standards | MT | 733.88 | USD | 20251118 |
| Shandong Aite Chem | China national standards | MT | 748.0 | USD | 20251118 |
| Shandong Mingyu | China national standards | MT | 811.51 | USD | 20251118 |
| Jinan Angxin Chem | China national standards | MT | 719.77 | USD | 20251118 |